Histogram
Visit number vs Arousal Index (NREM): Number of arousals per hour of NREM sleep from type II polysomnography
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Visit 8 | 456 | 22.4 | ± 13.2 | 19.7 | 3.1 | 82.6 | 5 | 461 |
Age (categorical) vs Arousal Index (NREM): Number of arousals per hour of NREM sleep from type II polysomnography
Visit 8
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 450 | 22.4 | ± 13.1 | 19.7 | 3.1 | 82.6 | 5 | 455 |
| 75-84 years | 321 | 21.1 | ± 11.4 | 19.4 | 3.1 | 64.5 | 4 | 325 |
| 85 years or older | 129 | 25.6 | ± 16.1 | 21.2 | 4.0 | 82.6 | 1 | 130 |
Gender vs Arousal Index (NREM): Number of arousals per hour of NREM sleep from type II polysomnography
Visit 8
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 456 | 22.4 | ± 13.2 | 19.7 | 3.1 | 82.6 | 5 | 461 |
| Female | 456 | 22.4 | ± 13.2 | 19.7 | 3.1 | 82.6 | 5 | 461 |